Effect of Amounts of Titanium Dioxide Nanoparticles on FTIR Spectra and Optical Properties of Poly Vinyl Alcohol Films. cbej [Internet]. 2024 Sep. 22 [cited 2025 Apr. 20];1(عدد خاص):77-91. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/11870